include/msg/msg.h

   1 /* Copyright (c) 2004-2013. The SimGrid Team.
   2  * All rights reserved.                                                     */
   3
   4 /* This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the license (GNU LGPL) which comes with this package. */
   6
   7 #ifndef MSG_H
   8 #define MSG_H
   9
  10 #include "xbt.h"
  11
  12 #include "msg/datatypes.h"
  13
  14 #include "simgrid/simix.h"
  15
  16 #include "simgrid/platf.h"
  17
  18 SG_BEGIN_DECL()
  19
  20 /** @brief Return code of most MSG functions
  21     @ingroup msg_simulation
  22     @{ */
  23 /* Keep these code as binary values: java bindings manipulate | of these values */
  24 typedef enum {
  25   MSG_OK = 0,                 /**< @brief Everything is right. Keep on going this way ! */
  26   MSG_TIMEOUT = 1,            /**< @brief nothing good happened before the timer you provided elapsed */
  27   MSG_TRANSFER_FAILURE = 2,   /**< @brief There has been a problem during you task
  28       transfer. Either the network is down or the remote host has been
  29       shutdown. */
  30   MSG_HOST_FAILURE = 4,       /**< @brief System shutdown. The host on which you are
  31       running has just been rebooted. Free your datastructures and
  32       return now !*/
  33   MSG_TASK_CANCELED = 8      /**< @brief Canceled task. This task has been canceled by somebody!*/
  34 } msg_error_t;
  35 /** @} */
  36
  37 /************************** Global ******************************************/
  38 XBT_PUBLIC(void) MSG_config(const char *key, const char *value);
  39 /** \ingroup msg_simulation
  40  *  \brief Initialize the MSG internal data.
  41  *  \hideinitializer
  42  *
  43  *  It also check that the link-time and compile-time versions of SimGrid do
  44  *  match, so you should use this version instead of the #MSG_init_nocheck
  45  *  function that does the same initializations, but without this check.
  46  *
  47  *  We allow to link against compiled versions that differ in the patch level.
  48  */
  49 #define MSG_init(argc,argv)  {                                          \
  50     int ver_major,ver_minor,ver_patch;                                  \
  51     sg_version(&ver_major,&ver_minor,&ver_patch);                       \
  52     if ((ver_major != SIMGRID_VERSION_MAJOR) ||                         \
  53         (ver_minor != SIMGRID_VERSION_MINOR)) {                         \
  54       fprintf(stderr,"FATAL ERROR: Your program was compiled with SimGrid version %d.%d.%d, and then linked against SimGrid %d.%d.%d. Please fix this.\n", \
  55               SIMGRID_VERSION_MAJOR,SIMGRID_VERSION_MINOR,SIMGRID_VERSION_PATCH,ver_major,ver_minor,ver_patch); \
  56     }                                                                   \
  57     MSG_init_nocheck(argc,argv);                                        \
  58   }
  59
  60 XBT_PUBLIC(void) MSG_init_nocheck(int *argc, char **argv);
  61 XBT_PUBLIC(msg_error_t) MSG_main(void);
  62 XBT_PUBLIC(void) MSG_function_register(const char *name,
  63                                        xbt_main_func_t code);
  64 XBT_PUBLIC(void) MSG_function_register_default(xbt_main_func_t code);
  65 XBT_PUBLIC(xbt_main_func_t) MSG_get_registered_function(const char *name);
  66 XBT_PUBLIC(void) MSG_launch_application(const char *file);
  67 /*Bypass the parser */
  68 XBT_PUBLIC(void) MSG_set_function(const char *host_id,
  69                                   const char *function_name,
  70                                   xbt_dynar_t arguments);
  71
  72 XBT_PUBLIC(double) MSG_get_clock(void);
  73 XBT_PUBLIC(unsigned long int) MSG_get_sent_msg(void);
  74
  75 /************************** Environment ***********************************/
  76 XBT_PUBLIC(msg_as_t) MSG_environment_get_routing_root(void);
  77 XBT_PUBLIC(const char *) MSG_environment_as_get_name(msg_as_t as);
  78 XBT_PUBLIC(xbt_dict_t) MSG_environment_as_get_routing_sons(msg_as_t as);
  79 XBT_PUBLIC(const char *) MSG_environment_as_get_property_value(msg_as_t as, const char *name);
  80 XBT_PUBLIC(const char *) MSG_environment_as_get_model(msg_as_t as);
  81 XBT_PUBLIC(xbt_dynar_t) MSG_environment_as_get_hosts(msg_as_t as);
  82
  83 /************************** File handling ***********************************/
  84 XBT_PUBLIC(sg_size_t) MSG_file_read(msg_file_t fd, sg_size_t size);
  85 XBT_PUBLIC(sg_size_t) MSG_file_write(msg_file_t fd, sg_size_t size);
  86 XBT_PUBLIC(msg_file_t) MSG_file_open(const char* mount, const char* path,
  87                                      void* data);
  88 XBT_PUBLIC(void*) MSG_file_get_data(msg_file_t fd);
  89 XBT_PUBLIC(msg_error_t) MSG_file_set_data(msg_file_t fd, void * data);
  90 XBT_PUBLIC(int) MSG_file_close(msg_file_t fd);
  91 XBT_PUBLIC(sg_size_t) MSG_file_get_size(msg_file_t fd);
  92 XBT_PUBLIC(void) MSG_file_dump(msg_file_t fd);
  93 XBT_PUBLIC(int) MSG_file_unlink(msg_file_t fd);
  94 XBT_PUBLIC(xbt_dict_t) MSG_file_ls(const char *mount, const char *path);
  95 XBT_PUBLIC(msg_error_t) MSG_file_seek(msg_file_t fd, sg_size_t offset, int whence);
  96 XBT_PUBLIC(void) __MSG_file_get_info(msg_file_t fd);
  97 /************************** Storage handling ***********************************/
  98 XBT_PUBLIC(msg_host_t) MSG_get_storage_by_name(const char *name);
  99 XBT_PUBLIC(const char *) MSG_storage_get_name(msg_storage_t storage);
 100 XBT_PUBLIC(sg_size_t) MSG_storage_get_free_size(const char* name);
 101 XBT_PUBLIC(sg_size_t) MSG_storage_get_used_size(const char* name);
 102 XBT_PUBLIC(msg_storage_t) MSG_storage_get_by_name(const char *name);
 103 XBT_PUBLIC(xbt_dict_t) MSG_storage_get_properties(msg_storage_t storage);
 104 XBT_PUBLIC(void) MSG_storage_set_property_value(msg_storage_t storage, const char *name, char *value,void_f_pvoid_t free_ctn);
 105 XBT_PUBLIC(xbt_dynar_t) MSG_storages_as_dynar(void);
 106 XBT_PUBLIC(msg_error_t) MSG_storage_set_data(msg_storage_t host, void *data);
 107 XBT_PUBLIC(void *) MSG_storage_get_data(msg_storage_t storage);
 108 XBT_PUBLIC(xbt_dict_t) MSG_storage_get_content(msg_storage_t storage);
 109 XBT_PUBLIC(sg_size_t) MSG_storage_get_size(msg_storage_t storage);
 110 XBT_PUBLIC(msg_error_t) MSG_storage_file_move(msg_file_t fd, msg_host_t dest, char* mount, char* fullname);
 111 XBT_PUBLIC(msg_error_t) MSG_storage_file_rename(msg_storage_t storage, const char* src,  const char* dest);
 112 /************************** AS Router handling ************************************/
 113 XBT_PUBLIC(const char *) MSG_as_router_get_property_value(const char* asr, const char *name);
 114 XBT_PUBLIC(xbt_dict_t) MSG_as_router_get_properties(const char* asr);
 115 XBT_PUBLIC(void) MSG_as_router_set_property_value(const char* asr, const char *name, char *value,void_f_pvoid_t free_ctn);
 116
 117 /************************** Host handling ***********************************/
 118 XBT_PUBLIC(msg_error_t) MSG_host_set_data(msg_host_t host, void *data);
 119 XBT_PUBLIC(void *) MSG_host_get_data(msg_host_t host);
 120 XBT_PUBLIC(const char *) MSG_host_get_name(msg_host_t host);
 121 XBT_PUBLIC(void) MSG_host_on(msg_host_t host);
 122 XBT_PUBLIC(void) MSG_host_off(msg_host_t host);
 123 XBT_PUBLIC(msg_host_t) MSG_host_self(void);
 124 XBT_PUBLIC(int) MSG_get_host_msgload(msg_host_t host);
 125 /* int MSG_get_msgload(void); This function lacks specification; discard it */
 126 XBT_PUBLIC(double) MSG_get_host_speed(msg_host_t h);
 127 XBT_PUBLIC(int) MSG_host_get_core_number(msg_host_t h);
 128 XBT_PUBLIC(xbt_swag_t) MSG_host_get_process_list(msg_host_t h);
 129 XBT_PUBLIC(int) MSG_host_is_avail(msg_host_t h);
 130 XBT_PUBLIC(void) __MSG_host_priv_free(msg_host_priv_t priv);
 131 XBT_PUBLIC(void) __MSG_host_destroy(msg_host_t host);
 132
 133 XBT_PUBLIC(double) MSG_get_host_power_peak_at(msg_host_t h, int pstate_index);
 134 XBT_PUBLIC(double) MSG_get_host_current_power_peak(msg_host_t h);
 135 XBT_PUBLIC(int) MSG_get_host_nb_pstates(msg_host_t h);
 136 XBT_PUBLIC(void) MSG_set_host_power_peak_at(msg_host_t h, int pstate);
 137 XBT_PUBLIC(double) MSG_get_host_consumed_energy(msg_host_t h);
 138
 139 /*property handlers*/
 140 XBT_PUBLIC(xbt_dict_t) MSG_host_get_properties(msg_host_t host);
 141 XBT_PUBLIC(const char *) MSG_host_get_property_value(msg_host_t host,
 142                                                      const char *name);
 143 XBT_PUBLIC(void) MSG_host_set_property_value(msg_host_t host,
 144                                              const char *name, char *value,
 145                                              void_f_pvoid_t free_ctn);
 146
 147
 148 XBT_PUBLIC(void) MSG_create_environment(const char *file);
 149
 150 XBT_PUBLIC(msg_host_t) MSG_get_host_by_name(const char *name);
 151 XBT_PUBLIC(xbt_dynar_t) MSG_hosts_as_dynar(void);
 152 XBT_PUBLIC(int) MSG_get_host_number(void);
 153 XBT_PUBLIC(void) MSG_host_get_params(msg_host_t ind_pm, ws_params_t params);
 154 XBT_PUBLIC(void) MSG_host_set_params(msg_host_t ind_pm, ws_params_t params);
 155 XBT_PUBLIC(xbt_dict_t) MSG_host_get_storage_list(msg_host_t host);
 156 XBT_PUBLIC(xbt_dict_t) MSG_host_get_storage_content(msg_host_t host);
 157 /************************** Process handling *********************************/
 158 XBT_PUBLIC(msg_process_t) MSG_process_create(const char *name,
 159                                            xbt_main_func_t code,
 160                                            void *data, msg_host_t host);
 161 XBT_PUBLIC(msg_process_t) MSG_process_create_with_arguments(const char *name,
 162                                                           xbt_main_func_t
 163                                                           code, void *data,
 164                                                           msg_host_t host,
 165                                                           int argc,
 166                                                           char **argv);
 167 XBT_PUBLIC(msg_process_t) MSG_process_create_with_environment(const char
 168                                                             *name,
 169                                                             xbt_main_func_t
 170                                                             code,
 171                                                             void *data,
 172                                                             msg_host_t host,
 173                                                             int argc,
 174                                                             char **argv,
 175                                                             xbt_dict_t
 176                                                             properties);
 177 XBT_PUBLIC(void) MSG_process_kill(msg_process_t process);
 178 XBT_PUBLIC(int) MSG_process_killall(int reset_PIDs);
 179
 180 XBT_PUBLIC(msg_error_t) MSG_process_migrate(msg_process_t process, msg_host_t host);
 181
 182 XBT_PUBLIC(void *) MSG_process_get_data(msg_process_t process);
 183 XBT_PUBLIC(msg_error_t) MSG_process_set_data(msg_process_t process,
 184                                              void *data);
 185 XBT_PUBLIC(void) MSG_process_set_data_cleanup(void_f_pvoid_t data_cleanup);
 186 XBT_PUBLIC(msg_host_t) MSG_process_get_host(msg_process_t process);
 187 XBT_PUBLIC(msg_process_t) MSG_process_from_PID(int PID);
 188 XBT_PUBLIC(int) MSG_process_get_PID(msg_process_t process);
 189 XBT_PUBLIC(int) MSG_process_get_PPID(msg_process_t process);
 190 XBT_PUBLIC(const char *) MSG_process_get_name(msg_process_t process);
 191 XBT_PUBLIC(int) MSG_process_self_PID(void);
 192 XBT_PUBLIC(int) MSG_process_self_PPID(void);
 193 XBT_PUBLIC(msg_process_t) MSG_process_self(void);
 194 XBT_PUBLIC(xbt_dynar_t) MSG_processes_as_dynar(void);
 195 XBT_PUBLIC(int) MSG_process_get_number(void);
 196
 197 XBT_PUBLIC(msg_error_t) MSG_process_set_kill_time(msg_process_t process, double kill_time);
 198
 199 /*property handlers*/
 200 XBT_PUBLIC(xbt_dict_t) MSG_process_get_properties(msg_process_t process);
 201 XBT_PUBLIC(const char *) MSG_process_get_property_value(msg_process_t
 202                                                         process,
 203                                                         const char *name);
 204
 205 XBT_PUBLIC(msg_error_t) MSG_process_suspend(msg_process_t process);
 206 XBT_PUBLIC(msg_error_t) MSG_process_resume(msg_process_t process);
 207 XBT_PUBLIC(int) MSG_process_is_suspended(msg_process_t process);
 208 XBT_PUBLIC(void) MSG_process_on_exit(int_f_pvoid_t fun, void *data);
 209 XBT_PUBLIC(void) MSG_process_auto_restart_set(msg_process_t process, int auto_restart);
 210
 211 XBT_PUBLIC(msg_process_t) MSG_process_restart(msg_process_t process);
 212
 213 /************************** Task handling ************************************/
 214 XBT_PUBLIC(msg_task_t) MSG_task_create(const char *name,
 215                                      double compute_duration,
 216                                      double message_size, void *data);
 217 XBT_PUBLIC(msg_gpu_task_t) MSG_gpu_task_create(const char *name,
 218                                      double compute_duration,
 219                                      double dispatch_latency,
 220                                      double collect_latency);
 221 XBT_PUBLIC(msg_task_t) MSG_parallel_task_create(const char *name,
 222                                               int host_nb,
 223                                               const msg_host_t * host_list,
 224                                               double *computation_amount,
 225                                               double *communication_amount,
 226                                               void *data);
 227 XBT_PUBLIC(void *) MSG_task_get_data(msg_task_t task);
 228 XBT_PUBLIC(void) MSG_task_set_data(msg_task_t task, void *data);
 229 XBT_PUBLIC(void) MSG_task_set_copy_callback(void (*callback) (
 230     msg_task_t task, msg_process_t src, msg_process_t dst));
 231 XBT_PUBLIC(msg_process_t) MSG_task_get_sender(msg_task_t task);
 232 XBT_PUBLIC(msg_host_t) MSG_task_get_source(msg_task_t task);
 233 XBT_PUBLIC(const char *) MSG_task_get_name(msg_task_t task);
 234 XBT_PUBLIC(void) MSG_task_set_name(msg_task_t task, const char *name);
 235 XBT_PUBLIC(msg_error_t) MSG_task_cancel(msg_task_t task);
 236 XBT_PUBLIC(msg_error_t) MSG_task_destroy(msg_task_t task);
 237
 238 XBT_PUBLIC(msg_error_t) MSG_task_receive_from_host(msg_task_t * task, const char *alias,
 239                                        msg_host_t host);
 240 XBT_PUBLIC(msg_error_t) MSG_task_receive_from_host_bounded(msg_task_t * task, const char *alias,
 241                                        msg_host_t host, double rate);
 242
 243 XBT_PUBLIC(msg_error_t) MSG_task_execute(msg_task_t task);
 244 XBT_PUBLIC(msg_error_t) MSG_parallel_task_execute(msg_task_t task);
 245 XBT_PUBLIC(void) MSG_task_set_priority(msg_task_t task, double priority);
 246 XBT_PUBLIC(void) MSG_task_set_bound(msg_task_t task, double bound);
 247 XBT_PUBLIC(void) MSG_task_set_affinity(msg_task_t task, msg_host_t host, unsigned long mask);
 248
 249 XBT_PUBLIC(msg_error_t) MSG_process_sleep(double nb_sec);
 250
 251 XBT_PUBLIC(double) MSG_task_get_compute_duration(msg_task_t task);
 252 XBT_PUBLIC(void) MSG_task_set_compute_duration(msg_task_t task,
 253                                                double compute_duration);
 254 XBT_PUBLIC(void) MSG_task_set_data_size(msg_task_t task,
 255                                         double data_size);
 256
 257 XBT_PUBLIC(double) MSG_task_get_remaining_computation(msg_task_t task);
 258 XBT_PUBLIC(double) MSG_task_get_remaining_communication(msg_task_t task);
 259 XBT_PUBLIC(int) MSG_task_is_latency_bounded(msg_task_t task);
 260 XBT_PUBLIC(double) MSG_task_get_data_size(msg_task_t task);
 261
 262
 263 XBT_PUBLIC(msg_error_t)
 264     MSG_task_receive_ext(msg_task_t * task, const char *alias, double timeout,
 265                      msg_host_t host);
 266
 267 XBT_PUBLIC(msg_error_t)
 268     MSG_task_receive_with_timeout(msg_task_t * task, const char *alias,
 269                               double timeout);
 270
 271 XBT_PUBLIC(msg_error_t)
 272     MSG_task_receive(msg_task_t * task, const char *alias);
 273 #define MSG_task_recv(t,a) MSG_task_receive(t,a)
 274
 275
 276
 277 XBT_PUBLIC(msg_error_t)
 278     MSG_task_receive_ext_bounded(msg_task_t * task, const char *alias, double timeout,
 279                      msg_host_t host, double rate);
 280
 281 XBT_PUBLIC(msg_error_t)
 282     MSG_task_receive_with_timeout_bounded(msg_task_t * task, const char *alias,
 283                               double timeout, double rate);
 284
 285 XBT_PUBLIC(msg_error_t)
 286     MSG_task_receive_bounded(msg_task_t * task, const char *alias,double rate);
 287 #define MSG_task_recv_bounded(t,a,r) MSG_task_receive_bounded(t,a,r)
 288
 289 XBT_PUBLIC(msg_comm_t) MSG_task_isend(msg_task_t task, const char *alias);
 290 XBT_PUBLIC(msg_comm_t) MSG_task_isend_bounded(msg_task_t task, const char *alias, double maxrate);
 291 XBT_PUBLIC(msg_comm_t) MSG_task_isend_with_matching(msg_task_t task,
 292                                                     const char *alias,
 293                                                     int (*match_fun)(void*,void*, smx_action_t),
 294                                                     void *match_data);
 295
 296 XBT_PUBLIC(void) MSG_task_dsend(msg_task_t task, const char *alias, void_f_pvoid_t cleanup);
 297 XBT_PUBLIC(void) MSG_task_dsend_bounded(msg_task_t task, const char *alias, void_f_pvoid_t cleanup, double maxrate);
 298 XBT_PUBLIC(msg_comm_t) MSG_task_irecv(msg_task_t * task, const char *alias);
 299 XBT_PUBLIC(msg_comm_t) MSG_task_irecv_bounded(msg_task_t * task, const char *alias, double rate);
 300 XBT_PUBLIC(int) MSG_comm_test(msg_comm_t comm);
 301 XBT_PUBLIC(int) MSG_comm_testany(xbt_dynar_t comms);
 302 XBT_PUBLIC(void) MSG_comm_destroy(msg_comm_t comm);
 303 XBT_PUBLIC(msg_error_t) MSG_comm_wait(msg_comm_t comm, double timeout);
 304 XBT_PUBLIC(void) MSG_comm_waitall(msg_comm_t * comm, int nb_elem,
 305                                   double timeout);
 306 XBT_PUBLIC(int) MSG_comm_waitany(xbt_dynar_t comms);
 307 XBT_PUBLIC(msg_task_t) MSG_comm_get_task(msg_comm_t comm);
 308 XBT_PUBLIC(msg_error_t) MSG_comm_get_status(msg_comm_t comm);
 309
 310 XBT_PUBLIC(int) MSG_task_listen(const char *alias);
 311
 312 XBT_PUBLIC(int) MSG_task_listen_from_host(const char *alias,
 313                                           msg_host_t host);
 314
 315 XBT_PUBLIC(msg_error_t)
 316     MSG_task_send_with_timeout(msg_task_t task, const char *alias,
 317                            double timeout);
 318
 319 XBT_PUBLIC(msg_error_t)
 320     MSG_task_send_with_timeout_bounded(msg_task_t task, const char *alias,
 321                            double timeout, double maxrate);
 322
 323 XBT_PUBLIC(msg_error_t)
 324     MSG_task_send(msg_task_t task, const char *alias);
 325
 326 XBT_PUBLIC(msg_error_t)
 327     MSG_task_send_bounded(msg_task_t task, const char *alias, double rate);
 328
 329 XBT_PUBLIC(int) MSG_task_listen_from(const char *alias);
 330
 331 XBT_PUBLIC(void) MSG_task_set_category (msg_task_t task, const char *category);
 332 XBT_PUBLIC(const char *) MSG_task_get_category (msg_task_t task);
 333
 334 /************************** Task handling ************************************/
 335 XBT_PUBLIC(msg_error_t)
 336     MSG_mailbox_get_task_ext(msg_mailbox_t mailbox, msg_task_t * task,
 337                          msg_host_t host, double timeout);
 338
 339 XBT_PUBLIC(msg_error_t)
 340     MSG_mailbox_get_task_ext_bounded(msg_mailbox_t mailbox, msg_task_t *task,
 341                                      msg_host_t host, double timeout, double rate);
 342
 343 XBT_PUBLIC(msg_error_t)
 344     MSG_mailbox_put_with_timeout(msg_mailbox_t mailbox, msg_task_t task,
 345                              double timeout);
 346
 347 XBT_PUBLIC(void) MSG_mailbox_set_async(const char *alias);
 348
 349
 350 /************************** Action handling **********************************/
 351 XBT_PUBLIC(msg_error_t) MSG_action_trace_run(char *path);
 352
 353 #ifdef MSG_USE_DEPRECATED
 354
 355 typedef msg_error_t MSG_error_t;
 356
 357 #define MSG_global_init(argc, argv)      MSG_init(argc,argv)
 358 #define MSG_global_init_args(argc, argv) MSG_init(argc,argv)
 359
 360 /* these are the functions which are deprecated. Do not use them, they may get removed in future releases */
 361 XBT_PUBLIC(msg_host_t *) MSG_get_host_table(void);
 362
 363 #define MSG_TIMEOUT_FAILURE MSG_TIMEOUT
 364 #define MSG_TASK_CANCELLED MSG_TASK_CANCELED
 365 #define MSG_mailbox_put_with_time_out(mailbox, task, timeout) \
 366         MSG_mailbox_put_with_timeout(mailbox, task, timeout)
 367
 368 #define MSG_process_change_host(h) MSG_process_migrate(MSG_process_self(),h);
 369 XBT_PUBLIC(msg_error_t) MSG_get_errno(void);
 370
 371 XBT_PUBLIC(msg_error_t) MSG_clean(void);
 372
 373 XBT_PUBLIC(msg_error_t) MSG_task_get(msg_task_t * task, m_channel_t channel);
 374 XBT_PUBLIC(msg_error_t) MSG_task_get_with_timeout(msg_task_t * task,
 375                                                   m_channel_t channel,
 376                                                   double max_duration);
 377 XBT_PUBLIC(msg_error_t) MSG_task_get_from_host(msg_task_t * task,
 378                                                int channel, msg_host_t host);
 379 XBT_PUBLIC(msg_error_t) MSG_task_get_ext(msg_task_t * task, int channel,
 380                                          double max_duration,
 381                                          msg_host_t host);
 382 XBT_PUBLIC(msg_error_t) MSG_task_put(msg_task_t task, msg_host_t dest,
 383                                      m_channel_t channel);
 384 XBT_PUBLIC(msg_error_t) MSG_task_put_bounded(msg_task_t task,
 385                                              msg_host_t dest,
 386                                              m_channel_t channel,
 387                                              double max_rate);
 388 XBT_PUBLIC(msg_error_t) MSG_task_put_with_timeout(msg_task_t task,
 389                                                   msg_host_t dest,
 390                                                   m_channel_t channel,
 391                                                   double max_duration);
 392 XBT_PUBLIC(int) MSG_task_Iprobe(m_channel_t channel);
 393 XBT_PUBLIC(int) MSG_task_probe_from(m_channel_t channel);
 394 XBT_PUBLIC(int) MSG_task_probe_from_host(int channel, msg_host_t host);
 395
 396 XBT_PUBLIC(msg_error_t) MSG_set_channel_number(int number);
 397 XBT_PUBLIC(int) MSG_get_channel_number(void);
 398 #endif
 399
 400 /** @brief Opaque type representing a semaphore
 401  *  @ingroup msg_synchro
 402  *  @hideinitializer
 403  */
 404 typedef struct s_smx_sem *msg_sem_t; // Yeah that's a rename of the smx_sem_t which doesnt require smx_sem_t to be declared here
 405 XBT_PUBLIC(msg_sem_t) MSG_sem_init(int initial_value);
 406 XBT_PUBLIC(void) MSG_sem_acquire(msg_sem_t sem);
 407 XBT_PUBLIC(msg_error_t) MSG_sem_acquire_timeout(msg_sem_t sem, double timeout);
 408 XBT_PUBLIC(void) MSG_sem_release(msg_sem_t sem);
 409 XBT_PUBLIC(void) MSG_sem_get_capacity(msg_sem_t sem);
 410 XBT_PUBLIC(void) MSG_sem_destroy(msg_sem_t sem);
 411 XBT_PUBLIC(int) MSG_sem_would_block(msg_sem_t sem);
 412
 413 /** @brief Opaque type describing a Virtual Machine.
 414  *  @ingroup msg_VMs
 415  *
 416  * All this is highly experimental and the interface will probably change in the future.
 417  * Please don't depend on this yet (although testing is welcomed if you feel so).
 418  * Usual lack of guaranty of any kind applies here, and is even increased.
 419  *
 420  */
 421
 422 XBT_PUBLIC(int) MSG_vm_is_created(msg_vm_t);
 423 XBT_PUBLIC(int) MSG_vm_is_running(msg_vm_t);
 424 XBT_PUBLIC(int) MSG_vm_is_migrating(msg_vm_t);
 425
 426 XBT_PUBLIC(int) MSG_vm_is_suspended(msg_vm_t);
 427 XBT_PUBLIC(int) MSG_vm_is_saving(msg_vm_t);
 428 XBT_PUBLIC(int) MSG_vm_is_saved(msg_vm_t);
 429 XBT_PUBLIC(int) MSG_vm_is_restoring(msg_vm_t);
 430
 431
 432 XBT_PUBLIC(const char*) MSG_vm_get_name(msg_vm_t);
 433
 434 // TODO add VDI later
 435 XBT_PUBLIC(msg_vm_t) MSG_vm_create_core(msg_host_t location, const char *name);
 436 XBT_PUBLIC(msg_vm_t) MSG_vm_create(msg_host_t ind_pm, const char *name,
 437     int core_nb, int mem_cap, int net_cap, char *disk_path, int disk_size, int mig_netspeed, int dp_intensity);
 438
 439 XBT_PUBLIC(void) MSG_vm_destroy(msg_vm_t vm);
 440
 441 XBT_PUBLIC(void) MSG_vm_start(msg_vm_t);
 442
 443 /* Shutdown the guest operating system. */
 444 XBT_PUBLIC(void) MSG_vm_shutdown(msg_vm_t vm);
 445
 446 XBT_PUBLIC(void) MSG_vm_migrate(msg_vm_t vm, msg_host_t destination);
 447
 448 /* Suspend the execution of the VM, but keep its state on memory. */
 449 XBT_PUBLIC(void) MSG_vm_suspend(msg_vm_t vm);
 450 XBT_PUBLIC(void) MSG_vm_resume(msg_vm_t vm);
 451
 452 /* Save the VM state to a disk. */
 453 XBT_PUBLIC(void) MSG_vm_save(msg_vm_t vm);
 454 XBT_PUBLIC(void) MSG_vm_restore(msg_vm_t vm);
 455
 456 XBT_PUBLIC(msg_host_t) MSG_vm_get_pm(msg_vm_t vm);
 457 XBT_PUBLIC(void) MSG_vm_set_bound(msg_vm_t vm, double bound);
 458 XBT_PUBLIC(void) MSG_vm_set_affinity(msg_vm_t vm, msg_host_t pm, unsigned long mask);
 459
 460 /* TODO: do we need this? */
 461 // XBT_PUBLIC(xbt_dynar_t) MSG_vms_as_dynar(void);
 462
 463 /*
 464 void* MSG_process_get_property(msg_process_t, char* key)
 465 void MSG_process_set_property(msg_process_t, char* key, void* data)
 466 void MSG_vm_set_property(msg_vm_t, char* key, void* data)
 467
 468 void MSG_vm_setMemoryUsed(msg_vm_t vm, double size);
 469 void MSG_vm_setCpuUsed(msg_vm_t vm, double inducedLoad);
 470   // inducedLoad: un pourcentage (>100 si ca charge plus d'un coeur;
 471   //                              <100 si c'est pas CPU intensive)
 472   // Contraintes à poser:
 473   //   HOST_Power >= CpuUsedVm (\forall VM) + CpuUsedTask (\forall Task)
 474   //   VM_coreAmount >= Load de toutes les tasks
 475 */
 476
 477   /*
 478 xbt_dynar_t<msg_vm_t> MSG_vm_get_list_from_host(msg_host_t)
 479 xbt_dynar_t<msg_vm_t> MSG_vm_get_list_from_hosts(msg_dynar_t<msg_host_t>)
 480 + des fonctions de filtrage sur les dynar
 481 */
 482 #include "instr/instr.h"
 483
 484
 485
 486 /* ****************************************************************************************** */
 487 /* Used only by the bindings -- unclean pimple, please ignore if you're not writing a binding */
 488 XBT_PUBLIC(smx_context_t) MSG_process_get_smx_ctx(msg_process_t process);
 489
 490 /* ****************************************************************************************** */
 491 /* TUTORIAL: New API                                                                        */
 492 /* Declare all functions for the API                                                          */
 493 /* ****************************************************************************************** */
 494 XBT_PUBLIC(int) MSG_new_API_fct(const char* param1, double param2);
 495
 496 SG_END_DECL()
 497 #endif